• 73. Junsun Hwang, Sungwoon Jeon, Kangho Kim, Beomjoo Kim, Jin-young Kim and Hongsoo Choi, “Development of a magnetically controlled guidewire-based microrobot for the treatment of chronic total occlusions”, 2019 Annual Conference of Korean Society of Medical Robotics, Seoul, Korea, Aug. 2019.
  • 72. 이선영, 김우주, 이승민, 이상임, 피오르트 야브원스키, 최홍수, “소수성을 갖는 소금쟁이 다리 모사 마이크로 구조물 설계 및 제작”, 2019 대한의료로봇 제 10차 학술대회, Seoul, Korea, Aug. 2019.
  • 71. Hongsoo Choi, “Piezoelectric MEMS devices: artificial basilar membrane and piezoelectric micromachined ultrasonic”, 2019 Nano Korea, Goyang, Korea, July. 2019. (Invited)
  • 70. Eunjung Shin, Ara Yeon, Hong Goo Yeo and Hongsoo Choi, “Development of piezoelectric micromachined ultrasonic transducer (pMUT) array based on aluminum nitride (AlN)”, 2019 Nano Korea, Goyang, Korea, July. 2019.
  • 69. Ara Yeon, Hong Goo Yeo, Eunjung Shin and Hongsoo Choi, “Investigation of the applicability of various polymer substrates to piezoelectroc thin-film transducers”, 2019 Nano Korea, Goyang, Korea, July. 2019.
  • 68. Kangho Kim, Beomjoo Kim, Jin-young Kim and Hongsoo Choi, “Development of a magnetically actuated guidewire-based drilling microrobot for treatment of endovascular occlusion”, The Korean Society of Mechanical Engineers, Busan, Korea, May. 2019.
  • 67. Ara Yeon, Hong Goo Yeo, Eunjung Shin and Hongsoo Choi, “Fabrication of piezoelectric thin-film transducer on various polymer substrates”, The 21st Korean MEMS Conference, Jeju, Korea, Apr. 2019.
  • 66. Sungwoong Jeon, Sangwon Kim, Jin-young Kim and Hongsoo Choi, “Development of the multi-functional bio-microrobots actuated by a magnetic field and its applications”, The 21st Korean MEMS Conference, Jeju, Korea, Apr. 2019.
  • 65. Hong Goo Yeo, Eunjung Shin, Ara Yeon and Hongsoo Choi, “Fabrication of aluminum nitride (AlN) based piezoelectric micromachined ultrasonic transducer (pMUT)”, The 21st Korean MEMS Conference, Jeju, Korea, Apr. 2019.
  • 64. Jin-young Kim, “Body-on-a-Chip: 3D microtissues meet microfluidics,” The Korean Chemical Society, Daegu, Korea, Oct. 2018. (invited)
  • 63. Jin-young Kim, “Body-on-a-Chip: Microtissues meet microfluidics,” The Korean Society of Manufacturing Technology Engineers, Daejeon, Korea, May 2018. (invited)
  • 62. Kangho Kim, “Development of a flexible microrobot with a guidewire for improvement of intravascular mobility,” The Korean Society of Medical Robotics, Seoul, Korea, October 2018.
  • 61. Sunkey Lee, Jin-young Kim, Seungmin Lee, Kangho Kim and Hongsoo Choi, “Fabrication of magnetic actuator using small permanent magnets and evaluation of characteristics according to fluid environment,” The Korean Society of Mechanical Engineers, Busan, Korea, May 2018.
  • 60. Sunkey Lee, Jin-young Kim, Seungmin Lee and Hongsoo Choi, “Fabrication and characterization of a magnetic driller using small permanent magnets,” The 20th Korean MEMS Conference, Jeju, Korea, Apr. 2018.
  • 59. Seungmin Lee, Jin-young Kim, Sangwon Kim, Sunkey Lee, Bradley J. Nelson and Hongsoo Choi, “Fabrication and locomotion test of the modular-type of microrobot,” The 20th Korean MEMS Conference, Jeju, Korea, Apr. 2018.
  • 58. Jin-young Kim, Seungmin Lee, Sunkey Lee, Sangwon Kim and Hongsoo Choi, “Magnetically actuated microrobots for targeted therapeutics,” The Korean Magnetics Society, Samcheok, Korea, Mar. 2018.
  • 57. Jongmoon Jang, Jeong Hun Jang and Hongsoo Choi, “MEMS based piezoelectric and triboelectric artificial basilar membranes for next-generation cochlear implants,” The Korean Sensors Society, Daejeon, Korea, Nov. 2017. (Invited)
  • 56. Hyeokjun Lee, Sion An, Sungwoong Jeon, SunKey Lee, Seungmin Lee, Jin-young Kim and Hongsoo Choi, “Development of Helical Drilling Microrobot Based on Catheter and Guidewire for Chronic Total Occlusion Treatment,” 2017 Annual Conference of The Korean Society of Mechanical Engineers, Jeju, Korea, Nov. 2017.
  • 55. Jieun Lee, Jin-young Kim and Hongsoo Choi, “Fabrication and characterization of targeted treatment purposed magnetic controllable, biodegradable microrobot,” 2017 Annual Conference of Korean Society of Medical Robotics, Seoul, Korea, Sep. 2017.
  • 54. Seungmin Lee, Soyeun Kim, sangwon Kim, Jin-young Kim, Cheil Moon, Bradley J. Nelson and Hongsoo Choi, “Fabrication and bio-compatiblity test of capsule-type microrobots,” 2017 Annual Conference of Korean Society of Medical Robotics, Seoul, Korea, Sep. 2017.
  • 53. Yuseong Kwak, Jin-young Kim, Sangwon Kim, Seungmin Lee and Hongsoo Choi, “Fabrication and Characterization of The dumbbell-shaped Microrobots for Transportation of Micro-objects,” Korean Society of Mechnical Engineers Spring conference, Busan, Korea, May 2017.
  • 52. Eunjung Shin, Joontaek Jung, Wonjun Lee, Woojin Kang, Kyungtaeck Lee and Hongsoo Choi, “Fabrication of dome-shaped piezoelectric micromachined ultrasound transducer,” 2017 Joint Conference by KSNVE, ASK and KSME(DC), Gwangju, Korea, Apr. 2017.
  • 51. Eunjung Shin, Joontaek Jung, Wonjun Lee, Woojin Kang, Kyungtaeck Lee and Hongsoo Choi, “Development of dome-shaped piezoelectric micromachined ultrasonic transducer (pMUT) based on sputtered PZT thin film,” [KMEMS 2017] The 19th Korean MEMS Conference, Jeju, Korea, Mar. 2017.
  • 50. Jeonghun Lee, Jin-Young Kim and Hongsoo Choi, “Design of integrated system with medical microrobot for robotic assisted percutaneous coronary intervention (PCI),” The 12th Korea Robotics Society Annual Conference, Pyeongchang, Korea, Feb. 2017.
  • 49. 전상훈, 이정훈, 이지은, 김은희, 이승민, 최홍수, “Fabrication of Microrobot made of Biocompatible Polymer using Micro UV Laser Machining,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (Korean Society of Mechnical Engineers Spring conference), 부경대, Busan, Korea, May 2016.
  • 48. 이정훈, 김은희, 김상원, 전상훈, 최홍수, “Design and fabrication of flexible microrobots for endovascular diseases treatment,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (Korean Society of Mechnical Engineers Spring conference), 부경대, Busan, Korea, May 2016.
  • 47. 강우진, 정준택, 이원준, 최홍수, “Fabrication of piezoelectric micromachined ultrasonic transducer (pMUT) annular array based on PMN-PZT single crystal,” 2016 춘계 소음진동 학술대회 (The Korean Society for Noise and Vibration Engineering), 더케이 호텔, Gyeongju, Korea, Apr. 2016.
  • 46. 장종문, 이장우, 장정훈, 최홍수, “Fabrication of artificial basilar membrane based on triboelectric effect and its characterization using an animal model,” 제18회 한국MEMS 학술대회 (The 18th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2016.
  • 45. 강우진, 정준택, 이원준, 최홍수, “Development of thickness mode piezoelectric micromachined ultrasonic transducer (Tm-pMUT) array based on PMN-PZT piezoelectric single crystal,” 제18회 한국MEMS 학술대회 (The 18th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2016.
  • 44. 이선기, 이승민, 이정훈, 곽유성, 최홍수, “Fabrication of spiral structures using 3D printing technologies for wireless control using external magnetic fields,” 제 5회 나노 임프린트·몰딩·프린트 학술대회 (The 5th nano-imprint · Molding · Print Forum (nano-IMP 2016)), ICC 호텔, Daejeon, Korea, Feb. 2016.
  • 43. 최홍수, “Magnetically actuated 3D microrobots fabricated by 3D laser lithography system,” 제 5회 나노 임프린트·몰딩·프린트 학술대회 (The 5th nano-imprint · Molding · Print Forum (nano-IMP 2016)), ICC 호텔, Daejeon, Korea, Feb. 2016. (Invited)
  • 42. 김은희, 김상원, 최홍수, “Fabrication of 3D biocompatible micro-structures and method of cytocompatible surface modification,” 대한의료로봇학회 제 7차 학술대회 (Annual Conference of Korea Society of Medical Robotics), 대한의료로봇학회 제 7차 학술대회 (Annual Conference of Korea Society of Medical Robotics), 한양대학교 HIT (한양종합기술원), Seoul, Korea, Sep. 2015.
  • 41. 이선기, 이승민, 김상원, 최홍수, “Fabrication and velocity test of screw type microrobot moving steerable corkscrew motion,” 대한의료로봇학회 제 7차 학술대회 (Annual Conference of Korea Society of Medical Robotics), 한양대학교 HIT (한양종합기술원), Seoul, Korea, Sep. 2015.
  • 40. 강우진, 정준택, 이원준, 최홍수, “PMN-PZT 압전 단결정 및 미세가공기술을 이용한 원형 초음파 트랜스듀서 어레이 제작 및 성능평가,” 제 30회 수중 음향학 학술대회, 국방과학기술원 (ADD), Chanwon, Korea, Sep. 2015.
  • 39. 이승민, 윤상훈, 강원석, 최홍수, “System characterization and temperature measurement for a system mimicking the nasal cavity,” 대한기계학회 바이오공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2015.
  • 38. 김상원, 김민석, 사공성표, 오재엽, 이유성, 최재원, 최홍수, “미세유체 채널에서 원통형 마이크로로봇의 자기장 제어,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2015.
  • 37. 정준택, V. Annapu Reddy, 류정호, 최홍수, “상온 미세과립 증착법을 이용한 압전 미세 초음파 변환자 제작 및 평가,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2015.
  • 36. 김은희, 유승준, 문제일, 최홍수, “Fabrication of Nanowell Structured Surface for Neurite Growth on Neuron-like Cell,” 제50회 대한의용생체공학회 춘계학술대회 (The Korean Society of Medical & Biological Engineering Spring conference), 대구경북첨단의료산업진흥재단 (DGMIF) 커뮤니케이션 센터, Daegu, Korea, May 2015. (Best Poster Award)
  • 35. 정준택, 이원준, 강우진, 최홍수, “MEMS 공정을 이용한 2-D 초음파 트랜스듀서 어레이 제작 및 분석,” 소음진동학회 춘계 학술대회, 강촌 엘리시안 리조트, Gangwon, Korea, Apr. 2015.
  • 34. 김상원, 이승민, 최홍수, “미생물 섬모의 Stroke운동을 모방한 마이크로로봇의 제작과 구동,” 제 17회 한국MEMS 학술대회 (The 17th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2015.
  • 33. 이승민, 김상원, 최홍수, “Velocity test of full 3-dimensional capsule type microrobot for micro-particle transportation,” 제 17회 한국MEMS 학술대회 (The 17th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2015.
  • 32. 이원준, 유승준, 정준택, 강우진, 문제일, 최홍수, “초음파 세포자극 파라미터 최적화를 위한 저 강도 초음파 세포자극 시스템,” 제 17회 한국MEMS 학술대회 (The 17th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2015.
  • 31. 강우진, 우성용, 이승민, 전혜진, 최홍수, “Magnetic Field Sensor based on Magnetoelectric (ME) Composite Cantilever,” 제 17회 한국MEMS 학술대회 (The 17th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2015.
  • 30. 장종문, 이장우, 우성용, David J. Sly, Luke J. Campbell, 조진호, stehoen J. O’Leary, 한성민, 최지웅, 장정훈, 최홍수, “Fabrication and characterization of piezoelectric artificial basilar membrane based on AlN cantilever array,” 제 17회 한국MEMS 학술대회 (The 17th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2015.
  • 29. 이원준, 정준택, 유승준, 문제일, 최홍수, “pMUT 어레이를 이용한 저강도 초음파 세포자극 시스템,” 대한기계학회 추계학술대회 (The Korean Society of Mechanical Engineers Fall conference), 김대중컨벤션센터, Gwangju, Korea, Nov. 2014.
  • 28. 장정훈, 장종문, 이장우, 조진호, 최홍수, “Cantilever array를 이용한 압전 MEMS 인공기저막의 신호 반응 및 주파수 분별력에 대한 연구,” 제 20차 이비인후과 종합학술대회, 대전컨벤션센터 (DCC), Daejeon, Korea, Oct. 2014.
  • 27. 장정훈, 장종문, 최홍수, 나동희, “와우이식술의 잔청보존을 위한 나노패턴방식을 이용한 스테로이드 자가방출형 전극의 개발: In vitro study,” 제 20차 이비인후과 종합학술대회, 대전컨벤션센터, Daejeon, Korea, Oct. 2014.
  • 26. 김상원, Famin Qiu, 김삼환, Li Zhang, 문제일, Bradley J. Nelson, 최홍수, “Microrobot for 3D cell culture and magnetic control,” 대한의료로봇학회 제 6차 학술대회 (6th 2014 Annual Conference of Korea Society of Medical Robotics), 서울대학교 (Seoul National University), Seoul, Korea, Jul. 2014.
  • 25. 최홍수, “Stem cell transportation using magnetically actuated scaffold-type microrobots,” 제 49회 대한의용생체공학회 춘계학술대회 (The Korean Society of Medical & Biological Engineering), 오송첨단의료기기개발지원센터 (KBIO), Chungbuk, Korea, May 2014. (Invited)
  • 24. 김은희, 유승준, 문제일, 최홍수, “Neuronal Outgrowth of PC12 Cells on Nano-hole Patterned SU-8 Created by Nanosphere Lithography,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국생산기술연구원 (KITECH), Ansan, Korea, May 2014. (Best Poster Award)
  • 23. 최홍수, “Two-dimensional Piezoelectric Micromachined Ultrasonic Transducer Array for Mechanical Beam-forming,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국생산기술연구원 (KITECH), Ansan, Korea, May 2014.
  • 22. 김은희, 유승준, 문제일, 최홍수, “The Effects of SU-8 Based Nanopore Array Substrate on Neurite Growth of PC12 Cells,” 대한기계학회 추계학술대회 (The Korean Society of Mechanical Engineers Fall conference), Gangwon, Korea, Dec. 2013.
  • 21. 최홍수, “세포 이송을 위한 3차원 생체 지지체,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2013.
  • 20. 김상원, Famin Qiu, 김삼환, Ali Ghanbari, 문제일, Li Zhang, Bradley J. Nelson, 최홍수, “자기장 제어 가능한 세포 전송용 마이크로 로봇,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2013. (Best Poster Award)
  • 19. 장종문, 김상원, 최홍수, “인공기저막을 위한 AlN 빔 어레이 음향센서의 압전 특성 평가,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2013.
  • 18. 김진혁, 최홍수, “Active micro-mixer 제작 및 영상기반 효율 평가,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), BEXCO, Busan, Korea, May 2013
  • 17. 김상원, Li Zhang, Famin Qiu, Bradley J. Nelson, 최홍수, “타겟형 세포전달시스템을 위한 마이크로 로봇의 설계와 제작,” 대한기계학회 추계학술대회 (The Korean Society of Mechanical Engineers Fall conference), CECO, Changwon, Korea, Nov. 2012.
  • 16. 장종문, 김상원, 송원준, 최홍수, “The design and fabrication of piezoelectric acoustic sensor for hearing aid using DRIE process,” 대한기계학회 추계학술대회 (The Korean Society of Mechanical Engineers Fall conference), CECO, Changwon, Korea, Nov. 2012.
  • 15. 김상원, 송원준, 최홍수, “주파수 분리기능을 가진 MEMS 압전 빔 구조의 인공 기저막의 설계 및 제작,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국기계연구원 (KIMM), Daejeon, Korea, May 2012.
  • 14. 장종문, 김상원, 최홍수, “인공 청각센서를 위한 MEMS flexible 전극의 설계와 제작,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국기계연구원 (KIMM), Daejeon, Korea, May 2012.
  • 13. 최홍수, 김상원, “의료용 청각센서 및 마이크로 로봇 제작,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국기계연구원 (KIMM), Daejeon, Korea, May 2012.
  • 12. 송원준, 김은희, 김상원, 최홍수, “압전 빔 MEMS 인공 기저막의 유한요소 해석을 통한 주파수 분해능 연구,” 대한기계학회 마이크로/나노공학부문 춘계학술대회 (The Korean Society of Mechanical Engineers Spring conference), 한국기계연구원 (KIMM), Daejeon, Korea, May 2012.
  • 11. 송원준, 김은희, 김상원, 최홍수, “유한요소해석을 이용한 압전 빔구조형 MEMS 인공와우의 주파수 분리 특성 평가,” 제 14회 한국MEMS 학술대회 (The 14th Korean MEMS Conference (KMEMS)), 제주 KAL 호텔, Jeju, Korea, Apr. 2012.
  • 10. 김상원, 최홍수, “유도 전류를 이용한 스마트 마이크로 로봇의 설계 및 제작,” 제 3차 대한의료로봇학회 정기학술대회 (Annual Conference of Korea Society of Medical Robotics), 대구경북과학기술원 (DGIST), Daegu, Korea, Oct. 2011.
  • 9. S. Hur, K. H. Lee, W. J. Song, H. S. Choi, and Y. D. Chung, “Analysis of PVDF Artificial Basilar Membrane Behavior on Incoming Acoustic Stimulation using LDV,” The 2011 Korean Society of Mechanical Engineers Spring conference, Pohang, Korea, Apr. 2011.
  • 8. Y. W. Lee, H. S. Choi, J. S. Park, and S. Hur, “Design and Fabrication of Miniature MEMS microphone,” The 2010 Korean Society of Mechanical Engineers Fall conference, Jeju, Korea, Nov. 2010, pp. 4300~4305.
  • 7. S. Hur, Y. W. Lee, H. S. Choi, and J. S. Park, “Fabrication of two-chip type capacitive MEMS microphone,” The 2010 Korean Society for Precision Engineering Fall conference, Changwon, Korea, Nov. 2010, pp. 381~382.
  • 6. W. D. Kim, S. Hur, H. S. Choi, J. S. Park and S. H. Lee, “Conceptual design of artificial auditory system mimicking human cochlea,” APCTP Workshop: Physics of Hearing and Neurons meets Nanoelectromechanics, Pohang, Korea, Aug. 2010.
  • 5. H. S. Choi, J. S. Park, Y. W. Lee, and S. Hur, “Design of a Capacitive MEMS Microphone Using Finite Element Method,” The 2010 Korean Society for Precision Engineering Spring conference, Jeju, Korea, May 2010, pp. 553~554.
  • 4. H. S. Choi, S. Hur, and W. D. Kim, “Rapid Maskless Lithography for new MEMS Fabrication,” The Korean MEMS Conference 2010, Busan, Korea, Apr. 2010.
  • 3. S. Hur, H. S. Choi, and S. Q. Lee, “Fabrication and Characterization of PMN-PT Single Crystal Cantilever Array for Cochlear-like Acoustic Sensor,” The Korean MEMS Conference 2010, Busan, Korea, Apr. 2010.
  • 2. K. H. Lee, H. S. Choi, S. Hur, and W. D. Kim, “The Influence of molarity on the characterization of ZnO nanowire on flexible substrate for artificial haircell,” The 2009 Korean Society of Mechanical Engineers Fall conference, Pyeongchang, Korea, Nov. 2009, pp. 2940~2943.
  • 1. Hongsoo Choi, “A Rapid Out-of-Cleanroom Microfabrication for Microfluidics Applications,” The 2009 Korean Society of Mechanical Engineers Spring conference, BEXCO, Busan, Korea, May 2009.